Center of gravity of a solid cone lies on the axis at the height _____________________?

A. One-fourth of the total height above base
B. One-third of the total height above base
C. One-half of the total height above base
D. Three-eighth of the total height above the base

The units of moment of inertia of an area are__________________?

A. Kg m2
B. M4
C. Kg/m2
D. M3

Center of percussion is___________________?

A. The point of c.g.
B. The point of metacentre
C. The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
D. Point of suspension

The center of gravity of a uniform lamina lies at____________________?

A. The center of heavy portion
B. The bottom surface
C. The mid point of its axis
D. All of the above

The product of either force of couple with the arm of the couple is called_________________?

A. Resultant couple
B. Moment of the forces
C. Resulting couple
D. Moment of the couple

According to Lami’s theorem___________________?

A. Three forces acting at a point will be in equilibrium
B. Three forces acting at a point can be represented by a triangle, each side being proportional to force
C. If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
D. If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

D’ Alembert’s principle is used for______________________?

A. Reducing the problem of kinetics to equivalent statics problem
B. Determining stresses in the truss
C. Stability of floating bodies
D. Designing safe structures

According to law of triangle of forces __________________ ?

A. Three forces acting at a point will be in equilibrium
B. Three forces acting at a point can be represented by a triangle, each side being proportional to force
C. If three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
D. If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Which of the following is a vector quantity___________________?

A. Energy
B. Mass
C. Momentum
D. Angle

The forces, which meet at one point, but their lines of action do not lie in a plane, are called_________________?

A. Coplanar non-concurrent forces
B. Non-coplanar concurrent forces
C. Non-coplanar non-concurrent forces
D. Intersecting forces